#include "avcodec.h"
#include "internal.h"
+#include "mathops.h"
#include "rectangle.h"
#include "thread.h"
#include "vp8.h"
s->top_border = av_mallocz((s->mb_width + 1) * sizeof(*s->top_border));
s->thread_data = av_mallocz(MAX_THREADS * sizeof(VP8ThreadData));
+ if (!s->macroblocks_base || !s->top_nnz || !s->top_border ||
+ !s->thread_data || (!s->intra4x4_pred_mode_top && !s->mb_layout)) {
+ free_buffers(s);
+ return AVERROR(ENOMEM);
+ }
+
for (i = 0; i < MAX_THREADS; i++) {
s->thread_data[i].filter_strength =
av_mallocz(s->mb_width * sizeof(*s->thread_data[0].filter_strength));
+ if (!s->thread_data[i].filter_strength) {
+ free_buffers(s);
+ return AVERROR(ENOMEM);
+ }
#if HAVE_THREADS
pthread_mutex_init(&s->thread_data[i].lock, NULL);
pthread_cond_init(&s->thread_data[i].cond, NULL);
#endif
}
- if (!s->macroblocks_base || !s->top_nnz || !s->top_border ||
- (!s->intra4x4_pred_mode_top && !s->mb_layout))
- return AVERROR(ENOMEM);
-
s->macroblocks = s->macroblocks_base + 1;
return 0;
}
static void fade(uint8_t *dst, uint8_t *src,
- int width, int height, int linesize,
+ int width, int height, ptrdiff_t linesize,
int alpha, int beta)
{
int i, j;
int width = s->avctx->width;
int height = s->avctx->height;
+ if (buf_size < 4) {
+ return AVERROR_INVALIDDATA;
+ }
+
s->profile = (buf[0] >> 1) & 7;
if (s->profile > 1) {
avpriv_request_sample(s->avctx, "Unknown profile %d", s->profile);
buf += 4 - s->profile;
buf_size -= 4 - s->profile;
+ if (buf_size < part1_size) {
+ return AVERROR_INVALIDDATA;
+ }
+
memcpy(s->put_pixels_tab, s->vp8dsp.put_vp8_epel_pixels_tab, sizeof(s->put_pixels_tab));
ff_vp56_init_range_decoder(c, buf, part1_size);
sizeof(vp7_mv_default_prob[i]));
memset(&s->segmentation, 0, sizeof(s->segmentation));
memset(&s->lf_delta, 0, sizeof(s->lf_delta));
- memcpy(s->prob[0].scan, zigzag_scan, sizeof(s->prob[0].scan));
+ memcpy(s->prob[0].scan, ff_zigzag_scan, sizeof(s->prob[0].scan));
}
if (s->keyframe || s->profile > 0)
s->feature_index_prob[i][j] =
vp8_rac_get(c) ? vp8_rac_get_uint(c, 8) : 255;
- if (vp7_feature_value_size[i])
+ if (vp7_feature_value_size[s->profile][i])
for (j = 0; j < 4; j++)
s->feature_value[i][j] =
vp8_rac_get(c) ? vp8_rac_get_uint(c, vp7_feature_value_size[s->profile][i]) : 0;
/* G. DCT coefficient ordering specification */
if (vp8_rac_get(c))
for (i = 1; i < 16; i++)
- s->prob[0].scan[i] = zigzag_scan[vp8_rac_get_uint(c, 4)];
+ s->prob[0].scan[i] = ff_zigzag_scan[vp8_rac_get_uint(c, 4)];
/* H. Loop filter levels */
if (s->profile > 0)
uint8_t *segment, uint8_t *ref, int layout, int is_vp7)
{
VP56RangeCoder *c = &s->c;
- const char *vp7_feature_name[] = { "q-index",
- "lf-delta",
- "partial-golden-update",
- "blit-pitch" };
+ static const char *vp7_feature_name[] = { "q-index",
+ "lf-delta",
+ "partial-golden-update",
+ "blit-pitch" };
if (is_vp7) {
int i;
*segment = 0;
int16_t qmul[2])
{
return decode_block_coeffs_internal(r, block, probs, i,
- token_prob, qmul, zigzag_scan, IS_VP8);
+ token_prob, qmul, ff_zigzag_scan, IS_VP8);
}
#endif
// decode DC values and do hadamard
nnz = decode_block_coeffs(c, td->block_dc, s->prob->token[1], 0,
nnz_pred, s->qmat[segment].luma_dc_qmul,
- zigzag_scan, is_vp7);
+ ff_zigzag_scan, is_vp7);
l_nnz[8] = t_nnz[8] = !!nnz;
if (is_vp7 && mb->mode > MODE_I4x4) {
static av_always_inline
void backup_mb_border(uint8_t *top_border, uint8_t *src_y,
uint8_t *src_cb, uint8_t *src_cr,
- int linesize, int uvlinesize, int simple)
+ ptrdiff_t linesize, ptrdiff_t uvlinesize, int simple)
{
AV_COPY128(top_border, src_y + 15 * linesize);
if (!simple) {
static av_always_inline
void xchg_mb_border(uint8_t *top_border, uint8_t *src_y, uint8_t *src_cb,
- uint8_t *src_cr, int linesize, int uvlinesize, int mb_x,
+ uint8_t *src_cr, ptrdiff_t linesize, ptrdiff_t uvlinesize, int mb_x,
int mb_y, int mb_width, int simple, int xchg)
{
uint8_t *top_border_m1 = top_border - 32; // for TL prediction
for (y = 0; y < 4; y++) {
uint8_t *topright = ptr + 4 - s->linesize;
for (x = 0; x < 4; x++) {
- int copy = 0, linesize = s->linesize;
+ int copy = 0;
+ ptrdiff_t linesize = s->linesize;
uint8_t *dst = ptr + 4 * x;
DECLARE_ALIGNED(4, uint8_t, copy_dst)[5 * 8];
uint8_t *src = ref->f->data[0];
if (AV_RN32A(mv)) {
- int src_linesize = linesize;
+ ptrdiff_t src_linesize = linesize;
int mx = (mv->x << 1) & 7, mx_idx = subpel_idx[0][mx];
int my = (mv->y << 1) & 7, my_idx = subpel_idx[0][my];
mb->bmv[2 * y * 4 + 2 * x + 1].y +
mb->bmv[(2 * y + 1) * 4 + 2 * x ].y +
mb->bmv[(2 * y + 1) * 4 + 2 * x + 1].y;
- uvmv.x = (uvmv.x + 2 + (uvmv.x >> (INT_BIT - 1))) >> 2;
- uvmv.y = (uvmv.y + 2 + (uvmv.y >> (INT_BIT - 1))) >> 2;
+ uvmv.x = (uvmv.x + 2 + FF_SIGNBIT(uvmv.x)) >> 2;
+ uvmv.y = (uvmv.y + 2 + FF_SIGNBIT(uvmv.y)) >> 2;
if (s->profile == 3) {
uvmv.x &= ~7;
uvmv.y &= ~7;
int filter_level = f->filter_level;
int inner_limit = f->inner_limit;
int inner_filter = f->inner_filter;
- int linesize = s->linesize;
- int uvlinesize = s->uvlinesize;
+ ptrdiff_t linesize = s->linesize;
+ ptrdiff_t uvlinesize = s->uvlinesize;
static const uint8_t hev_thresh_lut[2][64] = {
{ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
int filter_level = f->filter_level;
int inner_limit = f->inner_limit;
int inner_filter = f->inner_filter;
- int linesize = s->linesize;
+ ptrdiff_t linesize = s->linesize;
if (!filter_level)
return;
}
/* does not change for VP8 */
- memcpy(s->prob[0].scan, zigzag_scan, sizeof(s->prob[0].scan));
+ memcpy(s->prob[0].scan, ff_zigzag_scan, sizeof(s->prob[0].scan));
if ((ret = vp8_init_frames(s)) < 0) {
ff_vp8_decode_free(avctx);
.init = vp7_decode_init,
.close = ff_vp8_decode_free,
.decode = vp7_decode_frame,
- .capabilities = CODEC_CAP_DR1,
+ .capabilities = AV_CODEC_CAP_DR1,
.flush = vp8_decode_flush,
};
#endif /* CONFIG_VP7_DECODER */
.init = ff_vp8_decode_init,
.close = ff_vp8_decode_free,
.decode = ff_vp8_decode_frame,
- .capabilities = CODEC_CAP_DR1 | CODEC_CAP_FRAME_THREADS | CODEC_CAP_SLICE_THREADS,
+ .capabilities = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_FRAME_THREADS |
+ AV_CODEC_CAP_SLICE_THREADS,
.flush = vp8_decode_flush,
.init_thread_copy = ONLY_IF_THREADS_ENABLED(vp8_decode_init_thread_copy),
.update_thread_context = ONLY_IF_THREADS_ENABLED(vp8_decode_update_thread_context),
projects / ffmpeg / blobdiff